Pictures ARE worth 1K words. Thanks guys. As usual, I will assimilate, integrate and regurgitate something based upon the materials on hand: 1/8" aluminum plate. I also have some thinner stainless steel sheet to make an inner shell for insulating the firebox.

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Dr. Mark (STL)
Ph.D. (honorary) Bovine $hitology

A thin line separates paranoia from an acute understanding of reality.